It should always contain a signature
A. Passing off the work of someone else as your own
The main idea of this paragraph is that, without cells, there would not be any organism. As it is said, according to biologists there are<u> five levels </u>of cell organization in organisms, which, working together as a colony, can form from tissue to a whole body system able to live by itself.
If its an analogy, Its easier to do it in a sentence.
A prodigy had a lot of talent.
The answer is, a Zealot has a lot of conviction.
( I had a question like that before that's how I know but I think its Zealot. )